Year	Month	Nb_of_distinct_IPs	Nb_of_downloads
2013	Jan	3	3
2013	Feb	1	1
2013	Mar	3	4
2013	Apr	3	4
2013	May	2	2
2013	Jun	1	2
2013	Jul	2	3
2013	Aug	0	0
2013	Sep	1	3
2013	Oct	0	0
2013	Nov	0	0
2013	Dec	5	5
2013	all	21	27